org.wegra.util.resource
Class CachedResourceLoader

java.lang.Object
  org.wegra.util.resource.CachedResourceLoader

All Implemented Interfaces:

ResourceLoader

public class CachedResourceLoader

extends java.lang.Object

implements ResourceLoader

ResourceLoader that loads from specified loader and uses a cache. You can specify your own cache. if you don't specify cache it will use GenericCache that never return resource until cache is referenced.

Version:

1.0, 07/04/2002

Author:

wegra(Bok-Youn Lee)

Field Summary

protected Cache	fCache
protected ResourceLoader	fLoader

Constructor Summary

CachedResourceLoader(ResourceLoader loader)
Creates a CachedResourceLoader that loads from the specified loader and uses default cache.

CachedResourceLoader(ResourceLoader loader, Cache cache)
Creates a CachedResourceLoader that loads from the specified loader and uses specified cache.

Method Summary

java.lang.Object	getResource(java.lang.Object key) Loads specified resource.
java.lang.Object	getResource(java.lang.String location) Loads specified resource.
java.lang.Object[]	getResources(java.lang.Object baseKey) Loads sub resources of specified baseKey.
java.lang.Object[]	getResources(java.lang.String baseLocation) Loads sub resources of specified baseLocation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fLoader

protected ResourceLoader fLoader

fCache

protected Cache fCache

Constructor Detail

CachedResourceLoader

public CachedResourceLoader(ResourceLoader loader)

Creates a CachedResourceLoader that loads from the specified loader and uses default cache.

Parameters:

loader - loader to read from.

CachedResourceLoader

public CachedResourceLoader(ResourceLoader loader,
                            Cache cache)

Creates a CachedResourceLoader that loads from the specified loader and uses specified cache.

Parameters:

loader - loader to read from.

cache - cache to use.

Method Detail

getResource

public java.lang.Object getResource(java.lang.Object key)
                             throws ResourceLoaderException

Loads specified resource.

Specified by:

getResource in interface ResourceLoader

Parameters:

key - key of resource.

Returns:

loaded resource.

Throws:

ResourceLoaderException

getResource

public java.lang.Object getResource(java.lang.String location)
                             throws ResourceLoaderException

Loads specified resource.

Specified by:

getResource in interface ResourceLoader

Parameters:

location - resource location.

Returns:

loaded resource.

Throws:

ResourceLoaderException

getResources

public java.lang.Object[] getResources(java.lang.Object baseKey)
                                throws ResourceLoaderException

Loads sub resources of specified baseKey.

Specified by:

getResources in interface ResourceLoader

Parameters:

baseKey - base key of resource.

Returns:

loaded resources.

Throws:

ResourceLoaderException

getResources

public java.lang.Object[] getResources(java.lang.String baseLocation)
                                throws ResourceLoaderException

Loads sub resources of specified baseLocation.

Specified by:

getResources in interface ResourceLoader

Parameters:

baseLocation - base location of resource.

Returns:

loaded resources.

Throws:

ResourceLoaderException